:root {
  --primary: #4361ee;
  --primary-dark: #3f37c9;
  --success: #10b981;
  --bg: #f8f9fa;
  --card: #ffffff;
  --text: #1f2937;
  --border: #e5e7eb;
  --shadow: 0 4px 15px rgba(0,0,0,.05);
  --radius: 12px;
  --transition: all .3s ease;
}

.dark-theme {
  --bg: #121212;
  --card: #1e1e2e;
  --text: #e0e0e0;
  --border: #333;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: var(--transition);
}

.container {
  max-width: 1400px;
  margin: auto;
  padding: 20px;
}

.dashboard-header {
  text-align: center;
  margin-bottom: 30px;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 15px;
}

.logo {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.5rem;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.tagline {
  color: var(--primary);
  font-size: 1.1rem;
  opacity: .9;
}

.stats-dashboard {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 15px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 15px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(67,97,238,.15);
}

.stat-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.3rem;
}

.stat-info h3 {
  font-size: 1.8rem;
  margin-bottom: 5px;
  color: var(--primary);
}

.stat-info p {
  font-size: .9rem;
  opacity: .8;
}

.progress-bar {
  height: 8px;
  background: rgba(67,97,238,.1);
  border-radius: 4px;
  overflow: hidden;
  margin: 15px 0;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: var(--primary);
  width: 0;
  transition: width .3s ease;
}

#progressText {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  font-size: .75rem;
  color: var(--primary);
  font-weight: 600;
}

.main-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.input-section, .output-section {
  background: var(--card);
  border-radius: var(--radius);
  padding: 25px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.section-header h2 {
  color: var(--primary);
  font-size: 1.4rem;
}

.input-group {
  margin-bottom: 20px;
}

.input-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--text);
}

input, textarea, select {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  color: var(--text);
  font-size: 1rem;
  transition: var(--transition);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(67,97,238,.1);
}

textarea {
  min-height: 100px;
  resize: vertical;
}

.generate-btn, .export-btn, .platform-btn, .ai-generate-btn, .template-btn {
  border: none;
  border-radius: 50px;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.generate-btn {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  padding: 15px 30px;
  font-size: 1.1rem;
  width: 100%;
  justify-content: center;
}

.generate-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(67,97,238,.3);
}

.ai-generate-btn {
  background: var(--primary);
  color: #fff;
  padding: 6px 12px;
  font-size: .8rem;
  margin-left: 10px;
}

.platform-btn {
  flex: 1;
  min-width: 120px;
  padding: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: .9rem;
}

.platform-btn:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: scale(1.02);
}

.template-controls {
  display: flex;
  gap: 8px;
  align-items: end;
}

.template-btn {
  padding: 10px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.proposal-content {
  min-height: 500px;
  padding: 20px;
  background: var(--bg);
  border-radius: 10px;
  border: 1px dashed var(--border);
  overflow: auto;
}

.placeholder-content {
  text-align: center;
  color: #999;
  padding: 40px 20px;
}

.placeholder-content i {
  font-size: 3rem;
  margin-bottom: 15px;
  color: #ccc;
}

.proposal-modern {
  font-family: 'Inter', Arial, sans-serif;
  color: #000;
}

.proposal-main-title {
  text-align: center;
  color: var(--primary);
  font-size: 28pt;
  margin: 0 0 10pt;
  font-weight: 700;
}

.proposal-subtitle {
  text-align: center;
  font-size: 18pt;
  margin: 0 0 5pt;
  font-weight: 600;
}

.proposal-date {
  text-align: center;
  color: #666;
  font-size: 11pt;
  margin-bottom: 25pt;
}

.proposal-title {
  color: var(--primary);
  font-size: 14pt;
  font-weight: 700;
  margin: 20pt 0 10pt;
  padding-bottom: 5pt;
  border-bottom: 2pt solid var(--primary);
  display: inline-block;
}

.proposal-modern p, .proposal-modern li {
  font-size: 11pt;
  margin-bottom: 10pt;
  text-align: justify;
  line-height: 1.6;
}

.proposal-modern ul {
  margin: 10pt 0;
  padding-left: 20pt;
}

.proposal-modern strong {
  color: var(--primary);
}

.ai-assistant-panel {
  position: fixed;
  width: 360px;
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(0,0,0,.2);
  border: 1px solid var(--border);
  z-index: 1000;
  overflow: hidden;
  transition: all .3s ease;
  resize: both;
  min-width: 280px;
  min-height: 200px;
  right: 20px;
  bottom: 20px;
}

.ai-assistant-panel.dragging {
  opacity: 0.9;
  transform: scale(0.98);
  box-shadow: 0 15px 40px rgba(0,0,0,.3);
  cursor: grabbing !important;
  user-select: none;
}

.ai-panel-header {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  cursor: move;
}

.close-panel {
  background: none;
  border: none;
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  transition: background .2s;
}

.close-panel:hover {
  background: rgba(255,255,255,.2);
}

.ai-suggestions-content {
  padding: 16px;
  overflow-y: auto;
  max-height: calc(100% - 50px);
}

.suggestion-item {
  background: rgba(67,97,238,.1);
  border-left: 4px solid var(--primary);
  padding: 12px 16px;
  margin: 10px 0;
  border-radius: 0 8px 8px 0;
  animation: slideIn .4s ease-out;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

.notification {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 24px;
  background: var(--success);
  color: #fff;
  border-radius: 8px;
  opacity: 0;
  transition: opacity .3s;
  z-index: 1001;
}

.notification.show {
  opacity: 1;
}

.notification.error {
  background: #ef4444;
}

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1002;
  opacity: 0;
  visibility: hidden;
  transition: all .3s;
}

.loading-overlay.show {
  opacity: 1;
  visibility: visible;
}

.loading-spinner {
  border: 4px solid rgba(255,255,255,.3);
  border-top: 4px solid #fff;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin: 0 auto 15px;
}

@keyframes spin {
  0% { transform: rotate(0); }
  100% { transform: rotate(360deg); }
}

.hidden {
  display: none !important;
}

@media (max-width: 992px) {
  .main-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .ai-assistant-panel {
    width: calc(100% - 40px) !important;
    left: 20px !important;
    right: 20px !important;
    top: 10px !important;
    bottom: auto !important;
  }
}

.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: .4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: .4s;
}

input:checked + .slider {
  background-color: var(--primary);
}

input:checked + .slider:before {
  transform: translateX(26px);
}

.slider.round {
  border-radius: 24px;
}

.slider.round:before {
  border-radius: 50%;
}